26730921

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 43732224

約数和(自身を除く): 17001303

約数列:

[1, 3, 7, 21, 47, 49, 53, 73, 141, 147, 159, 219, 329, 371, 511, 987, 1113, 1533, 2303, 2491, 2597, 3431, 3577, 3869, 6909, 7473, 7791, 10293, 10731, 11607, 17437, 24017, 27083, 52311, 72051, 81249, 122059, 168119, 181843, 189581, 366177, 504357, 545529, 568743, 1272901, 3818703, 8910307, 26730921]

約数ペア:

[(1, 26730921), (3, 8910307), (7, 3818703), (21, 1272901), (47, 568743), (49, 545529), (53, 504357), (73, 366177), (141, 189581), (147, 181843), (159, 168119), (219, 122059), (329, 81249), (371, 72051), (511, 52311), (987, 27083), (1113, 24017), (1533, 17437), (2303, 11607), (2491, 10731), (2597, 10293), (3431, 7791), (3577, 7473), (3869, 6909)]